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Read an Excel file directly from a R script
How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R?
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
中文网测试案例
.aia 测试源码下载：
TestSqlite.aia
打开数据库
一般可以在屏幕初始化时打开db。如果数据库已打开，...
How to get process ID of background process?
I start a background process from my shell script, and I would like to kill this process when my script finishes.
7 Answers...
examining history of deleted file
If I delete a file in Subversion, how can I look at it's history and contents? If I try to do svn cat or svn log on a nonexistent file, it complains that the file doesn't exist.
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Emulate a do-while loop in Python?
I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work:
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How to delete items from a dictionary while iterating over it?
Is it legitimate to delete items from a dictionary in Python while iterating over it?
10 Answers
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Calculate the execution time of a method
I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
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Remove accents/diacritics in a string in JavaScript
How do I remove accentuated characters from a string?
Especially in IE6, I had something like this:
28 Answers
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How to get CRON to call in the correct PATHs
I'm trying to get cron to call in the correct PATHs. When I run a Python script from shell the script runs fine as it uses the PATHs set in bashrc but when I use cron all the PATHs are not used from bashrc. Is there a file I can enter the PATHs into for cron like bashrc or a way to call the PATHs fr...
How can I change the color of my prompt in zsh (different from normal text)?
To recognize better the start and the end of output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint?
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